Global Patent Index - EP 0774883 A2

EP 0774883 A2 19970521 - Organic electroluminescence device with mixed hole transporting materials

Title (en)

Organic electroluminescence device with mixed hole transporting materials

Title (de)

Organische elektrolumineszente Vorrichtung mit gemischten Ladungslöchertransportmaterialien

Title (fr)

Dispositif organique électroluminescent contenant un mélange de matériaux transportant des trous de charge

Publication

EP 0774883 A2 19970521 (EN)

Application

EP 96118022 A 19961111

Priority

US 56045395 A 19951117

Abstract (en)

An organic electroluminescent device (10) is disclosed which has a cathode (16), an electron transporting zone (15), an emitting zone (14), an hole transporting zone (13) and an anode (12) that are laminated in sequence. The hole transporting zone (13) includes at least one hole transporting layer fabricated with two or more homogeneously mixed hole transporting materials each having a glass transition temperature above 75 DEG C and which are structurally compatible. <IMAGE>

IPC 1-7

H05B 33/14; H05B 33/12

IPC 8 full level

C09K 11/06 (2006.01); H01L 51/50 (2006.01); H05B 33/12 (2006.01)

CPC (source: EP KR US)

H05B 33/12 (2013.01 - EP US); H05B 33/14 (2013.01 - KR); H10K 50/14 (2023.02 - EP US); Y10S 428/917 (2013.01 - EP US); Y10T 428/31678 (2015.04 - EP US)

Citation (applicant)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0774883 A2 19970521; EP 0774883 A3 19970730; EP 0774883 B1 20020724; DE 69622507 D1 20020829; DE 69622507 T2 20030116; JP 3976825 B2 20070919; JP H09148073 A 19970606; KR 100439281 B1 20040904; KR 970032292 A 19970626; TW 330368 B 19980421; US 5804322 A 19980908

DOCDB simple family (application)

EP 96118022 A 19961111; DE 69622507 T 19961111; JP 32108096 A 19961115; KR 19960053875 A 19961114; TW 85113278 A 19961030; US 56045395 A 19951117